Site Diversity TRIZ Cases

This case coordinates multi-AP beamforming through station exchanges, helping limit interference during dense-network transmissions.

Higher-layer rate matching information guides PDSCH resource avoidance, balancing communication reliability with resource utilization.

This case separates reference-signal measurements across multiple TRPs to avoid faulty combining and coordinate concurrent UE transmissions.

APs exchange CBF requests, responses, and triggers to align TXOP beamforming, reducing phase misalignment and interference.

Access points exchange TXOP feedback and CBF triggers to align timing and phase, improving throughput while reducing interference.

This case uses priority-based PRS measurement ordering across TRPs to balance positioning accuracy with limited UE processing capacity.

UE-assisted sub-band measurements calibrate distributed MIMO timing and phase mismatches with under-2-nanosecond accuracy.

This case assigns open- and closed-loop power parameters per TRP to manage uplink interference and preserve channel capacity.

A dual-antenna controller detects atmospheric ducting and signal degradation, then switches antennas to sustain downlink reliability.

This case groups control information sets and coordinates resources to improve bandwidth and throughput across simultaneous 5G channels.

This case uses segmented, compressed CSI feedback to coordinate APs across BSSs while limiting feedback overhead and processing complexity.

This case uses detectable SSBs, L3 measurements, or preconfigured TCI to support reliable L1-RSRP reporting during FR2 SCell activation.

Joint sounding and selective CSI forwarding help coordinated beamforming mitigate cross-BSS interference while reducing feedback traffic.

This case separates TRP-specific and common precoding parameters to improve channel estimation while reducing CJT reporting complexity.

The terminal reports antenna groups so the network can select unblocked ports, improving uplink efficiency while reducing power consumption.

When multiple TRPs repeat a downlink shared channel, TCI states mapped to repetition or RV indices improve terminal reception control.

This case uses CSI-RS from multiple TRPs to select precoding and configure SRS for flexible NR uplink switching.

Cooperating terminals share decoding results for common and private data, enabling selective HARQ retransmissions and better spectrum use.

Coordinated primary and secondary APs use signal-strength thresholds to expand spatial streams while reducing uplink interference.

Distributed mosaic relays use predistortion filters and coherent combining to extend wireless range and resist interference and jamming.

This DIDO case uses RF calibration and uplink/downlink channel reciprocity to reduce CSI feedback overhead during downlink precoding.

This case uses a nearly passive RIS and selective unit cell activation to align reflected signals with the direct radio signal.

A processing unit corrects CQI using serving and neighbor reference signals plus power differences to improve interference assessment.

This case structures multi-TRP CSI reports with configurable bases and quantization to reduce PMI payload overhead.

This case shares one spatial basis across transmission hypotheses while retaining coefficient matrices for lower CSI overhead.

This case uses an antenna configuration correction index to improve beam selection when measurement and communication configurations differ.

DIDO RF calibration uses channel reciprocity to boost spectral efficiency.

Terminal-mediated scheduling coordinates joint transmission despite delayed backhaul links.

This case uses beam processes, selective activation, and periodic reference signals to sustain uplink links during mobility.

Unified TCI states reduce beam indication overhead for multi-TRP PDCCH and CSI-RS reception.

Bitmap CSI reporting selects resources and coefficients for efficient multi-TRP transmission.

This case shows how DCI-carried TCI states speed beam conversion between multiple TRPs without acknowledgment-based updates.

One CSI report combines per-TRP channel data for coherent joint transmission, reducing reporting overhead and configuration complexity.

Selective CSI reporting reduces CJT overhead while preserving critical channel information.

The case uses AP lists and coordination metrics to balance selection accuracy, processing load, interference, and latency.

This case uses programmable circuitry and shared RF hardware to improve carrier interoperability and simplify dense small-cell installation.

Panel-specific TCI pools address beam management limits in multi-panel MTRP UEs.

This case structures CSI indicators by TRP and layer to improve reporting accuracy and throughput in joint transmission.